Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120562 | Triazine derivatives as fixers in coloring and as cross-linking agents | Manfred Patsch, Wolfgang Reuther, Thomas Grosser | 2000-09-19 |
| 5632783 | Mixtures of reactive dyes for navy shades | Manfred Sulflow | 1997-05-27 |
| 5346510 | Mixtures of reactive dyes | Regina Laws, Wolfgang Schrott | 1994-09-13 |
| 5223607 | Reactive azo dyes with at lest two reactive halotriazine groups | Hermann Loeffler, Manfred Patsch | 1993-06-29 |
| 5216137 | Doubled phenyl azo naphthalene reactive dyes having four halotriazine reactive groups and a phenylene diamine series bridge member | Hermann Loeffler, Manfred Patsch | 1993-06-01 |
| 5076808 | Dyeing of polyamide substrates with an organic N-nitroso-hydroxylamine as light stabilizer | Erwin Hahn, Alexander Aumueller, Wolfgang Reuther, Dieter Wegerle | 1991-12-31 |
| 5062861 | Novel navy and black disperse dye mixtures including amino-phenyl thiophene azo disperse dye and red, yellow or orange disperse dyes | Erwin Hahn, Guenter Hansen, Karl-Heinz Etzbach, Helmut Reichelt, Ernst Schefczik +2 more | 1991-11-05 |
| 4911732 | Light fastness of polyester dyeings using benzophenone ether esters, and novel benzophenone ether esters | Peter Neumann, Dieter Wegerle | 1990-03-27 |
| 4908041 | Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye | Erwin Hahn, Guenter Hansen, Karl-Heinz Etzbach, Helmut Reichelt, Ernst Schefczik +2 more | 1990-03-13 |
| 4789382 | Benzophenone ether esters and use thereof to improve the light fastness of polyester dyeings | Peter Neumann, Dieter Wegerle | 1988-12-06 |
| 4707161 | Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates | Michael Thomas, Peter Neumann, Dieter Wegerle | 1987-11-17 |
| 4614804 | Anthraquinoid dyes | Gerhard Epple, Wolf-Dieter Kermer, Hans Weber | 1986-09-30 |
| 4613334 | Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides | Michael Thomas, Peter Neumann, Dieter Wegerle | 1986-09-23 |
| 4537597 | Navy blue mixtures of disperse mono-azo dyes for cellulose acetate | Udo Bergmann, Helmut Degen, Guenter Hansen, Hans Weber | 1985-08-27 |
| 4486198 | Navy dye mixtures | Ernst Becker, Udo Bergmann, Helmut Degen, Guenter Hansen | 1984-12-04 |
| 4464181 | Mixtures of benzisothiazole mono-azo dyes for cellulose acetate | Helmut Degen, Johannes P. Dix, Norbert Grund, Guenter Hansen | 1984-08-07 |
| 4442287 | Anthraquinone dyes | Ernst Hartwig | 1984-04-10 |
| 4405330 | Navy disperse dye mixtures | Udo Bergmann, Helmut Degen, Guenter Hansen, Wolf-Dieter Kermer | 1983-09-20 |
| 4389216 | Navy dye mixtures | Udo Bergmann, Helmut Degen, Guenter Hansen, Wolf-Dieter Kermer | 1983-06-21 |
| 4386934 | Navy dye mixtures | Udo Bergmann, Helmut Degen, Guenter Hansen, Wolf-Dieter Kermer | 1983-06-07 |